using System;

using System.Linq;

public class Program

{

    public static void Main()

    {

        var people = new[]

        {

            new { Name = "Vernon", Gender = "Male", CountryCode = "GB" },

            new { Name = "Carrie", Gender = "Female", CountryCode = "CA" },

            new { Name = "Joanna", Gender = "Female", CountryCode = "US" },

            new { Name = "Thomas", Gender = "Male", CountryCode = "ES" }

        };

        var countries = new[]

        {

            new {CountryName = "United Kingdom", Code = "GB"},

            new {CountryName = "United States", Code = "US"},

            new {CountryName = "Canada", Code = "CA"},

            new {CountryName = "France", Code = "FR"},

            new {CountryName = "Spain", Code = "ES"}

        };

​

        var results = from p in people

                      join c in countries

                        on p.CountryCode equals c.Code

                      select new { Name = p.Name, CountryName = c.CountryName };

        foreach (var x in results)

        {

            Console.WriteLine("{0} {1}", x.Name, x.CountryName);

        }

    }

}